Brian Karlet joined Marshall's baseball staff as an assistant coach in the fall of 2012.

Karlet graduated with a degree in communications from Georgetown College, where he was named to the Mid-South all-conference team at the end of his senior year. Following graduation, Karlet earned a Master's degree in athletic administration while serving as Director of Baseball Operations at Marshall University. After two years with the Thundering Herd (2005-2007), Karlet returned to his alma mater as the top assistant coach for the Tigers. Karlet worked with the team for two seasons before receiving a promotion to head coach in 2009.

Under Karlet's guidance, the Tigers never finished lower than third place in the Mid-South Conference. Karlet sported a 58-56 record at the helm of the Tigers' baseball program and a 35-21 record in conference play.

Karlet resides in South Point, Ohio with his wife, Kelley, and two sons, Jaxson and Cooper.